CN207795235U - A kind of early warning system of coal bed gas well pumping unit - Google Patents

A kind of early warning system of coal bed gas well pumping unit Download PDF

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Publication number
CN207795235U
CN207795235U CN201721840767.0U CN201721840767U CN207795235U CN 207795235 U CN207795235 U CN 207795235U CN 201721840767 U CN201721840767 U CN 201721840767U CN 207795235 U CN207795235 U CN 207795235U
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CN
China
Prior art keywords
pumping unit
gearbox
master control
control system
early warning
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CN201721840767.0U
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Chinese (zh)
Inventor
陈秀萍
王仙之
沈健
钱洋友
王宏涛
李晓亮
李洪涛
任丽
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China Petroleum and Natural Gas Co Ltd
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China Petroleum and Natural Gas Co Ltd
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Priority to CN201721840767.0U priority Critical patent/CN207795235U/en
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Abstract

The utility model embodiment provides a kind of early warning system of coal bed gas well pumping unit, which includes:Master control system, the load transducer being electrically connected with master control system, crank pins move back button detector, transmission fluid level detector, gearbox noise monitor and motor temperature sensor.Between the load transducer side of being clipped in clamp and polished rod eye, stress and displacement distance for the side's of detection clamp;Crank pins moves back button detector and is arranged on crank, for detecting whether crank pins moves back button;Transmission fluid level detector is arranged in transmission internal, the inside liquid level for detecting gearbox;Gearbox noise monitor is arranged outside gearbox, for detecting whether gearbox generates noise;Motor temperature sensor is arranged on motor, the processing temperature for detecting motor;Master control system be used for their detection information, and according to detection information judge pumping unit whether normal operation, when judging pumping unit exception operation, master control system is alarmed.

Description

A kind of early warning system of coal bed gas well pumping unit
Technical field
The utility model is related to technical field of automation, more particularly to a kind of early warning system of coal bed gas well pumping unit.
Background technology
During being exploited to coal bed gas well using beam pumping unit, the failure of relevant device whether, arranges it Efficiency is adopted to play a crucial role, if coal bed gas well equipment is run with abnormality for a long time, easily cause equipment downtime, The emergency cases such as halt production, reduce the mining efficiency of gas well.Very must so carrying out early warning to the job state of coal bed gas well equipment It wants.
The prior art is by being arranged prior-warning device in coal bed gas well and on underground equipment, with the underground to coal bed gas well Operating mode and underground equipment are monitored.And for the job state of beam pumping unit more than ground, mostly use manual inspection Mode be monitored.
Designer has found to have at least the following problems in the prior art:
The prior art supervises the job state of beam pumping unit more than ground by the way of manual inspection It surveys, it is difficult to the state that notes abnormalities in time.
Utility model content
In view of this, the utility model provides a kind of early warning system of coal bed gas well pumping unit, above-mentioned technology can be solved Problem.
Specifically, including technical solution below:
The utility model provides a kind of early warning system of coal bed gas well pumping unit, and the early warning system is used for pumping unit Job state carry out early warning, the early warning system includes:
Master control system;
Load transducer, the crank pins being electrically connected respectively with the master control system move back button detector, transmission fluid level Detector, gearbox noise monitor and motor temperature sensor;
The load transducer is clipped between the square clamp of pumping unit and polished rod eye, upper and lower ends respectively with side's clamp It is in contact with the polished rod eye, the load information for detecting side's clamp;
The crank pins moves back button detector and is arranged on the crank of the pumping unit, is for detecting the crank pins It is no to move back button;
The transmission internal in the pumping unit is arranged in the transmission fluid level detector, for detecting the gearbox Inside liquid level;
Whether the gearbox noise monitor is arranged outside the gearbox, generate for detecting the gearbox and make an uproar Sound;
The motor temperature sensor is arranged on the motor of the pumping unit, the operation temperature for detecting the motor Degree;
The master control system is for obtaining the load transducer, the crank pins moves back button detector, the gearbox The detection information of liquid level detector, the gearbox noise monitor, the motor temperature sensor, and believed according to the detection Breath judge the pumping unit whether normal operation, when judging the pumping unit exception operation, the master control system is reported It is alert.
Selectively, it is provided with alarm unit in the master control system;
When the master control system judges the pumping unit exception operation according to the detection information, the alarm unit is used In alarm.
Selectively, the alarm unit is buzzer and/or alarming flashing device.
Selectively, the master control system is arranged on the pedestal of the pumping unit.
Master control system is arranged at the pumping unit bottom early warning system of coal bed gas well pumping unit provided by the utility model On seat so that user can be easily observed the alarm that master control system is made.
Selectively, the load transducer is wirelessly connected with the master control system.
Selectively, it is reset switch that the crank pins, which moves back button detector, and the reset switch is arranged in the crank On, and contacted with the fastening nut at the crank pins both ends.
Selectively, the crank pins moves back button detector and is wirelessly connected with the master control system.
Selectively, the gearbox noise monitor is microphone, is arranged in the lower bracket of the gearbox.
Selectively, the motor temperature sensor is heat-sensitive sensor.
The advantageous effect of technical solution that the utility model embodiment provides is:
The early warning system for the coal bed gas well pumping unit that the utility model embodiment provides, passes through load transducer, crank-pin Son move back button detector, transmission fluid level detector, gearbox noise monitor, motor temperature sensor detects in real time and pumping unit Whether the relevant various information of normal operation, and load transducer obtained by master control system in real time, crank pins moves back button detection The detection information of device, transmission fluid level detector, gearbox noise monitor, motor temperature sensor, sentences according to detection information Disconnected pumping unit whether normal operation, and when judging pumping unit exception operation, alarm, to be implemented without manual inspection The abnormality of pumping unit can be found in time, reduces equipment damage rate, ensure that coal bed gas well is continuous, stablizes, safely gives birth to Production.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings Obtain other attached drawings.
When the early warning system for the coal bed gas well pumping unit that Fig. 1 provides for the utility model embodiment is for pumping unit early warning Installation condition schematic diagram;
Reference numeral in figure is respectively:
1- master control systems;
2- load transducers;
3- crank pins moves back button detector;
4- transmission fluid level detectors;
5- gearbox noise monitors;
6- motor temperature sensors;
The side's M1- clamp;
M2- polished rod eyes;
M3- cranks;
M4- gearboxes;
M5- motors;
M6- crank pins;
M7- fastening nuts;
M8- hanging ropes;
M9- polished rods;
M10- connecting rods;
M11- balance weights;
M12- holders;
M13- oil pumping unit bases;
M14- horse heads.
Specific implementation mode
To keep the technical solution of the utility model and advantage clearer, the utility model is implemented below in conjunction with attached drawing Mode is described in further detail.
It will be appreciated by persons skilled in the art that the beam pumping unit employed in the present embodiment is normal for this field institute See, for example, Zhang Jianjun exists《Beam pumping unit design calculates》In (petroleum industry publishing house, 2005) to its structure into Specific descriptions are gone, the utility model embodiment does not describe it more specifically herein.Hereinafter, only pair with the utility model phase Each component closed is briefly described:
For beam pumping unit, square clamp M1 is for blocking polished rod M9, and seat, on polished rod eye M2, polished rod M9 is worn Polished rod eye M2 is crossed to stretch in pit shaft, and polished rod eye M2 is connect with one end of hanging rope M8, the other end and the horse head M14 of hanging rope M8 connect It connects.
The one end crank M3 couples with gearbox M4, and the other end and connecting rod M10 and balance weight M11 couple, and are used for speed change The circular motion of case M4 outputs is converted into the up and down motion of connecting rod M10.Wherein, crank M3, connecting rod M10 and balance weight M11 three It is flexibly connected by crank pins M6, crank pins M6's is provided at both ends with fastening nut M7 to be limited.
Gearbox M4 is arranged on holder M12, and holder M12 is positioned on oil pumping unit base M13, and gearbox M4 is for dropping The rotating speed of low motor M5 transmission simultaneously improves torque, so that crank M3 can generate the power of bigger.
Motor M5 is positioned on oil pumping unit base M13, by belt, is driven the wheel for inputting rotation of speed changer M4, is made speed change Device M4 has certain input speed.
In order to solve the prior art by the way of manual inspection for the operation shape of beam pumping unit more than ground State is monitored, it is difficult to note abnormalities in time state the problem of, the utility model embodiment provides a kind of oil pumping of coal bed gas well The early warning system of machine, below to the utility model embodiment provide coal bed gas well pumping unit early warning system use principle into Row description:
The utility model provides a kind of early warning system of coal bed gas well pumping unit, which is used for pumping unit Job state carries out early warning, as shown in Figure 1, the early warning system includes:
Master control system 1, and the load transducer 2, the crank pins that are electrically connected respectively with master control system 1 move back button detector 3, transmission fluid level detector 4, gearbox noise monitor 5 and motor temperature sensor 6.
Wherein, the load transducer 2 is clipped between the square clamp M1 of pumping unit and polished rod eye M2, upper and lower ends respectively with Fang Kazi M1 and polished rod eye M2 are in contact, for detect side's clamp M1 by force information.
Crank pins moves back button detector 3 and is arranged on the crank M3 of pumping unit, for detecting whether crank pins M6 moves back button.
Transmission fluid level detector 4 is arranged inside the gearbox M4 of pumping unit, the inside liquid for detecting gearbox M4 Position.
Gearbox noise monitor 5 is arranged outside gearbox M4, for detecting whether gearbox M4 generates noise.
Motor temperature sensor 6 is arranged on the motor M5 of pumping unit, the processing temperature for detecting motor M5.
Master control system 1 is for obtaining load transducer 2, crank pins moves back button detector 3, transmission fluid level detector 4, becomes The detection information of fast case noise monitor 5, motor temperature sensor 6, and judge whether pumping unit is normally made according to detection information Industry, when judging pumping unit exception operation, master control system 1 is alarmed.
The early warning system for the coal bed gas well pumping unit that the utility model embodiment provides, passes through load transducer 2, crank-pin Son moves back the detection in real time of button detector 3, transmission fluid level detector 4, gearbox noise monitor 5, motor temperature sensor 6 and takes out Oil machine whether the relevant various information of normal operation, and load transducer 2, crank pins are obtained by master control system 1 in real time and moved back The detection information for detaining detector 3, transmission fluid level detector 4, gearbox noise monitor 5, motor temperature sensor 6, according to Detection information judge pumping unit whether normal operation, and when judging pumping unit exception operation, alarm, be not required to realize It wants manual inspection that can find the abnormality of pumping unit in time, reduces equipment damage rate, ensure that coal bed gas well is continuous, steady Determine, safely produce.
Below with regard in above-mentioned early warning system all parts and its effect give be specifically described respectively:
For master control system 1, it is used for obtaining load transducer 2, crank pins moves back button detector 3, gearbox liquid The detection information of bit detector 4, gearbox noise monitor 5 and motor temperature sensor 6, and the detection information is handled Analysis, determines whether to alarm according to analysis result.
It is understood that master control system 1 includes:Data receipt unit, processing unit, the Yi Jibao being sequentially electrically connected Alert unit.Wherein, data receipt unit moves back button detector 3, transmission fluid level detection with load transducer 2, crank pins respectively Device 4, gearbox noise monitor 5 and motor temperature sensor 6 are electrically connected, to receive the detection information of all parts, and will The detection information is sent to processing unit.
Processing unit is for analyzing detection information, to judge whether the corresponding detection object of each detection information is normal Operation.Operation if normal, processing unit do not send out alarm command to alarm unit, if abnormal operation, processing unit are single to alarm Member sends out alarm command.Specifically, as soon as when judge exist detection object exception operation when, processing unit to alarm unit hair Go out alarm command.
When master control system 1 judges pumping unit exception operation according to detection information, alarm unit is for alarming, specifically, When processing unit sends out alarm command to alarm unit, alarm unit carries out alarm operation.
As an example, which is buzzer and/or alarming flashing device, to give audio alarm and/or regard Feel alarm.According to practical service environment, for example, daytime or night, the two can be used alone one, can also use simultaneously.
In one possible implementation, master control system 1 can be arranged on the pedestal M13 of pumping unit close to motor M5 One end.
It for load transducer 2, is clipped between the square clamp M1 of pumping unit and polished rod eye M2, upper and lower ends difference It is in contact with square clamp M1 and polished rod eye M2, the load information for detecting side's clamp M1 should be may indicate that well by force information Lower equipment whether normal operation.Specific testing principle is as follows:
Load transducer 2 is arranged between square clamp M1 and polished rod eye M2, can measure the square clamp M1 above it to carrying Lotus sensor 2 apply pressure, that is, measured square clamp M1 by force information, due to the fixed polished rod M9 of square clamp M1, so Measured square clamp M1 be also equivalent to by force information measured the load information of polished rod M9.For example, as square clamp M1 Stress be more than preset value when, show that the load of polished rod is excessive, may imply that at this time oil pump occur block.When square clamp M1's When stress is less than preset value, show that light rod load is too small, may imply that leakage occurs in the de- disconnected or oil pump of sucker rod at this time.It can With understanding, load transducer 2 is built-in with weighing sensor.
Further, which can be the common load displacement integrated transducer in this field, for testing Beam-pumping unit sucker rod load and pumping unit stroke, that is, weighing sensor and displacement sensor are integrated together by it, will be collected Load signal and displacement signal matched, to obtain pumping unit work(figure, react the working condition of pumping unit.When load passes When sensor 2 moves up and down, displacement sensor can measure displacement information, and since load transducer 2 is with square clamp M1's Motion state is identical, the displacement information for the displacement information side of the can also indicate that clamp M1 that displacement sensor is measured.
In summary, the load information and displacement information for the square clamp M1 that load transducer 2 is measured can indicate whether There is the case where rod broken or oil well pump blocking or leakage, that is, indicates the whether abnormal operation of underground equipment.
Since load transducer 2 will produce the movement of position in pumping unit operation, if using wire cable with Master control system 1 is attached, and cable is possible to that the running of pumping unit can be had an impact, therefore, load transducer 2 and master control system System 1 is produced using being wirelessly attached to avoid to the normal operation of the normal operation of pumping unit and the early warning system It is raw to influence.
For how to realize above-mentioned wireless connection, it is to be understood that wireless transmission can be arranged on load transducer 2 Module, is arranged wireless receiving module in master control system 1, and the detection information of load transducer 2 is sent to by wireless transmitter module Wireless receiving module.
For crank pins moves back button detector 3, it is used for detecting whether crank pins M6 moves back button.A kind of possible In realization method, it is reset switch that crank pins, which moves back button detector 3, and, which is arranged on crank M3, and and crank The fastening nut M7 contacts at the both ends pin M6.Specific testing principle is as follows:
It is reset switch that crank pins, which moves back button detector 3, which is arranged on two crank M3, pushes down fastening spiral shell An angle of female M7, when crank pins M6 moves back button, fastening nut M7 can loosen, i.e., fastening nut M7 can be turned over certain Angle so that reset switch generates a displacement, and is detached with fastening nut M7, and reset switch detects the position of itself at this time It moves, and generates a displacement state signal, be used to indicate crank pins M6 and have occurred and move back button.
Due to crank pins move back button detector 3 in pumping unit operation can also generation position movement, crank Pin, which moves back, to be buckled detector 3 and is also attached with master control system 1 using wireless mode.Specific connection type can be found in above-mentioned to load The description of sensor 2.
Transmission fluid level detector 4 is arranged inside the gearbox M4 of pumping unit, the inside liquid for detecting gearbox M4 Position, specific testing principle are as follows:
Transmission fluid level detector 4 is the common liquid level detector in this field, that is, liquid level sensor has and inhales Combination switch.In application, the predeterminated position inside gearbox M4 is arranged in transmission fluid level detector 4, where the predeterminated position Height is the minimum liquid level height that gear box oil is allowed to, when liquid level is higher than minimum liquid level height, transmission fluid level detector 4 In actuation switch can be closed, when liquid level is higher than minimum liquid level height, the actuation switch in transmission fluid level detector 4 can break It opens, the open and-shut mode for being attracted switch is sent to the data receipt unit of master control system 1 by transmission fluid level detector 4, you can is sentenced Whether the inside liquid level of disconnected gearbox M4 is less than the minimum liquid level height being allowed to.
Gearbox noise monitor 5 is arranged outside gearbox M4, for detecting whether gearbox M4 generates noise, as A kind of alternative embodiment, gearbox noise monitor 5 are microphone, are arranged on the lower bracket M12 of gearbox M4, specific to examine It is as follows to survey principle:
The microphone of gearbox noise monitor 5 faces gearbox M4, the decibel for the noise that detection gearbox M4 is generated It is worth, and the decibel value is sent to the data receipt unit of master control system 1.
Motor temperature sensor 6 is arranged on the motor M5 of pumping unit, the processing temperature for detecting motor M5, as one Kind alternative embodiment, motor temperature sensor 6 are heat-sensitive sensor, and specific testing principle is as follows:
Motor temperature sensor 6 is attached on the shell of motor M5 of pumping unit, since motor temperature sensor 6 passes for temperature-sensitive Sensor, therefore can be the electric signal of instruction processing temperature by the processing temperature value temperature inversion of the motor M5 of pumping unit, and will The electric signal is sent to the data receipt unit of master control system 1.
Since transmission fluid level detector 4, gearbox noise monitor 5 and motor temperature sensor 6 will not be in pumping units It is moved during running, therefore transmission fluid level detector 4, gearbox noise monitor 5 and motor temperature sensor 6 It is all made of wire cable to be attached with master control system 1, detection information is transmitted by wire cable.
Further include control unit in the master control system 1 as a kind of alternative embodiment, which carries for controlling Lotus sensor 2, crank pins move back button detector 3, transmission fluid level detector 4, gearbox noise monitor 5 and motor temperature and pass The opening and closing of sensor 6, so that staff can be readily achieved in master control system 1 to all the sensors and inspection Survey the control of device.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this practicality is new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing in the equivalent requirements of the claims will be fallen All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation Involved claim.

Claims (8)

1. a kind of early warning system of coal bed gas well pumping unit, which is characterized in that the early warning system is for the operation to pumping unit State carries out early warning, and the early warning system includes:Master control system (1);
Load transducer (2), the crank pins being electrically connected respectively with the master control system (1) move back button detector (3), gearbox Liquid level detector (4), gearbox noise monitor (5) and motor temperature sensor (6);
The load transducer (2) is clipped between the square clamp (M1) of pumping unit and polished rod eye (M2), upper and lower ends respectively with institute The side's of stating clamp (M1) and the polished rod eye (M2) are in contact, the load information for detecting side's clamp (M1);
The crank pins moves back button detector (3) and is arranged on the crank (M3) of the pumping unit, for detecting crank pins (M6) button whether is moved back;
The transmission fluid level detector (4) is arranged in gearbox (M4) inside of the pumping unit, for detecting the speed change The inside liquid level of case (M4);
Gearbox noise monitor (5) setting is external in the gearbox (M4), is for detecting the gearbox (M4) No generation noise;
The motor temperature sensor (6) is arranged on the motor (M5) of the pumping unit, for detecting the motor (M5) Processing temperature;
The master control system (1) is for obtaining the load transducer (2), the crank pins moves back button detector (3), the change Fast case liquid level detector (4), the gearbox noise monitor (5), the motor temperature sensor (6) detection information, and According to the detection information judge the pumping unit whether normal operation, when judging the pumping unit exception operation, the master Control system (1) is alarmed.
2. early warning system according to claim 1, which is characterized in that be provided with alarm unit on the master control system (1);
When the master control system (1) judges the pumping unit exception operation according to the detection information, the alarm unit is used In alarm;
The alarm unit is buzzer and/or alarming flashing device.
3. early warning system according to claim 1 or 2, which is characterized in that the master control system (1) is arranged in the oil pumping On the pedestal (M13) of machine.
4. early warning system according to claim 1 or 2, which is characterized in that the load transducer (2) and the master control system System (1) is wirelessly connected.
5. early warning system according to claim 1 or 2, which is characterized in that it is multiple that the crank pins, which moves back button detector (3), Bit switch;
The reset switch setting connects on the crank (M3), and with the fastening nut (M7) at the both ends the crank pins (M6) It touches.
6. early warning system according to claim 5, which is characterized in that the crank pins move back button detector (3) with it is described Master control system (1) is wirelessly connected.
7. early warning system according to claim 1 or 2, which is characterized in that the gearbox noise monitor (5) is Mike Wind is arranged in the lower bracket (M12) of the gearbox (M4).
8. early warning system according to claim 1 or 2, which is characterized in that the motor temperature sensor (6) passes for temperature-sensitive Sensor.
CN201721840767.0U 2017-12-26 2017-12-26 A kind of early warning system of coal bed gas well pumping unit Active CN207795235U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721840767.0U CN207795235U (en) 2017-12-26 2017-12-26 A kind of early warning system of coal bed gas well pumping unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721840767.0U CN207795235U (en) 2017-12-26 2017-12-26 A kind of early warning system of coal bed gas well pumping unit

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Publication Number Publication Date
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110685644A (en) * 2019-09-18 2020-01-14 华油国新(北京)能源科技有限公司 Pumping unit operation monitoring device and fault early warning system
CN111173500A (en) * 2020-01-06 2020-05-19 西安石油大学 Oil field pumping unit working condition wireless data acquisition and monitoring system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110685644A (en) * 2019-09-18 2020-01-14 华油国新(北京)能源科技有限公司 Pumping unit operation monitoring device and fault early warning system
CN110685644B (en) * 2019-09-18 2021-11-05 华油国新(北京)能源科技有限公司 Pumping unit operation monitoring device and fault early warning system
CN111173500A (en) * 2020-01-06 2020-05-19 西安石油大学 Oil field pumping unit working condition wireless data acquisition and monitoring system
CN111173500B (en) * 2020-01-06 2022-09-02 西安石油大学 Oil field pumping unit working condition wireless data acquisition and monitoring system

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